CVE-2026-76576 yangzongzhuan CVE debrief

Who should care

Teams using RuoYi-Vue up to 3.9.2 should assess and mitigate this vulnerability; security teams monitoring for potential exploitation of path traversal vulnerabilities. Operators, platform administrators, and vulnerability management teams should review the vulnerability details and assess exposure. Security teams should prioritize verification of affected systems and apply compensating controls if necessary.

Technical summary

The CVE details a path traversal vulnerability in RuoYi-Vue up to 3.9.2, specifically in the fileDownload/resourceDownload function of CommonController.java. This allows for remote manipulation of the fileName/resource argument, potentially leading to unauthorized file access. The vulnerability has a CVSS score of 2.1 and is classified as LOW severity. The project was informed but has not responded yet. Limited details are available, and defenders should verify affected scope, vendor remediation status, and assess potential exposure. Security teams should prioritize verification of affected systems and apply compensating controls if necessary.

Defensive priority

Low-priority defensive review recommended due to limited details; verify affected scope and vendor remediation status.

Recommended defensive actions

• Verify if the system uses RuoYi-Vue up to 3.9.2 and assess for exposure
• Check for and apply any available vendor patches or updates
• Monitor for public exploit availability and adjust defensive priorities accordingly
• Consider compensating controls such as input validation and path normalization
• Inventory and track affected systems for potential monitoring and exception tracking needs

Evidence notes

The evidence provided is limited; verify primary official records for accuracy. The CVE details a path traversal vulnerability in RuoYi-Vue up to 3.9.2, specifically in the fileDownload/resourceDownload function of CommonController.java. The project was informed but has not responded yet. Limited details are available, and defenders should verify affected scope, vendor remediation status, and assess potential exposure.

Official resources